I'll happily list them all for you (in order)
.
I'm only going to list the ones that weren't on any MJ / Jacksons albums, since you probably have them already.
Here goes:
Ease On Down The Road (feat. Diana Ross)
Be A Lion (Diana Ross feat. Michael)
A Brand New Day (sung by most of 'The Wiz' cast feat. Michael)
Who's Right, Who's Wrong (Kenny Loggins feat. Michael)
Save Me (Dave Mason feat. Michael)
Night Time Lover (LaToya Jackson feat. Michael)
I'm In Love Again (Minnie Riperton feat. Michael)
This Had To Be (The Brothers Johnson feat. Michael)
All I Do (Stevie Wonder feat. Michael)
The Dude (Quincy Jones feat. Michael)
Goin' Back To Alabama (Kenny Rogers feat. Michael Jackson)
Just Friends (Carole Bayer Sager feat. Michael)
Don't Let A Woman Make A Fool Out Of You (Joe "King" Carrasco feat. Michael)
Papa Was A Rolling Stone (Bill Wolfer feat. Michael)
So Shy (Bill Wolfer feat. Michael)
State Of Independence (Donna Summer feat. Michael)
Muscles (Diana Ross feat. Michael)
Upside Down (live performance by Diana Ross in 1981 feat. Michael)
Say Say Say (Paul McCartney feat. Michael)
The Man (Paul McCartney feat. Michael)
State Of Shock (Demo) (feat. Freddie Murcury (not Mick Jagger like on the Victory album version)
There Must Be More To Life Than This (feat. Freddie Murcury - possible fan made mixing Michael's solo version with Freddie's solo version)
Behind The Mask (Who Do You Know) (Greg Phillinganes feat. Michael)
Tell Me I'm Not Dreamin' (Jermaine Jackson feat. Michael)
You Don't Stand Another Chance (Janet Jackson feat. Michael)
Centipede (Rebbie Jackson feat. Michael)
Somebody's Watching Me (Rockwell feat. Michael)
Eaten Alive (Diana Ross feat Michael)
You're The One (Jennifer Holiday feat. Michael)
We Are The World (U.S.A. For Africa feat. Michael)
Fly Away (Rebbie Jackson feat Michael)
Todo Mi Amor Eres Tu (Spanish version of 'I Just Can't Stop Loving You')
(Michael feat. Saidah Garret)
Je Ne Veux Pas La Finis De Nous (French version of 'I Just Can't Stop
Loving You') (Michael feat. Saidah Garret)
Get It (Stevie Wonder feat. Michael Jackson)
Serious Effect (Michael feat. LL Cool J)
To Satisfy You (Bryan Loren feat. Michael)
Alright Now (Ralph Tresvant feat. Michael)
Do The Bartman (Bart Simpson feat. Michael)
I Never Heard (Safire feat. Michael)
Whatzupwitu (Eddie Murphay feat Michael)
Yeah (Eddie Murphay feat. Michael and various other artists)
If You Only Believe (live performance by the Jackson family at the Jackson Family Honors in 1994 - feat. Michael)
Why (3T feat. Michael)
I Need You (3T feat. Michael)
We Be Ballin' (Ice Cube & Shaquille O'Neal feat. Michael Jackson)
Fall Again' (Glenn Lewis feat. Michael) (possibly the same situation as 'There Must Be More To Life Than This')
What More Can I Give (various artists feat. Michael)
Todo Para Ti (Spanish version of 'Whate More Can I Give) (various artists feat. Michael)
It's Not Worth It (Brandy feat. Michael)
Gangsta (Tempamental & Pras feat. MJ)
No Friend Of Mine (later version of 'Gangsta') (Tempamental feat. Michael)
Hold My Hand (Akon feat. Michael)
Wow, that took me ages. Oh well, it's good to help.
